Fix crash in audio align when hitting subtitle stream:

http://kdenlive.org/mantis/view.php?id=2697

diff --git a/src/lib/audio/audioInfo.cpp b/src/lib/audio/audioInfo.cpp
index c210ef7eaece5d29ca6fa2b28cd9d721767df4f9..56e230957fcc63eebaa556037eb19f9c7508f915 100644 (file)
--- a/src/lib/audio/audioInfo.cpp
+++ b/src/lib/audio/audioInfo.cpp
@@ -25,8 +25,8 @@ m_producer(NULL)
     int streams = atoi(producer->get("meta.media.nb_streams"));
     for (int i = 0; i < streams; i++) {
         QByteArray propertyName = QString("meta.media.%1.stream.type").arg(i).toLocal8Bit();
-
-        if (strcmp("audio", producer->get(propertyName.data())) == 0) {
+       const char* streamtype = producer->get(propertyName.data());
+        if (streamtype && strcmp("audio", streamtype) == 0) {
             m_list << new AudioStreamInfo(producer, i);
         }